From owner-freebsd-standards@FreeBSD.ORG Mon Jul 29 08:19:52 2013 Return-Path: Delivered-To: freebsd-standards@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id D1FDC264; Mon, 29 Jul 2013 08:19:52 +0000 (UTC) (envelope-from theraven@FreeBSD.org) Received: from theravensnest.org (theraven.freebsd.your.org [216.14.102.27]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 961DA2591; Mon, 29 Jul 2013 08:19:52 +0000 (UTC) Received: from [192.168.0.2] (cpc27-cmbg15-2-0-cust235.5-4.cable.virginmedia.com [86.27.188.236]) (authenticated bits=0) by theravensnest.org (8.14.5/8.14.5) with ESMTP id r6T8JjmM071640 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO); Mon, 29 Jul 2013 08:19:46 GMT (envelope-from theraven@FreeBSD.org) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 6.5 \(1508\)) Subject: Re: CURRENT: CLANG 3.3 and -stad=c++11 and -stdlib=libc++: isnan()/isninf() oddity From: David Chisnall In-Reply-To: <861u6iv0ih.fsf@orwell.Elisa> Date: Mon, 29 Jul 2013 09:19:40 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: References: <20130710155809.0f589c22@thor.walstatt.dyndns.org> <20130710183315.725dfde0@thor.walstatt.dyndns.org> <20130710203200.5359fd18@thor.walstatt.dyndns.org> <51DDC04B.6040209@FreeBSD.org> <20957.49978.73666.392417@khavrinen.csail.mit.edu> <20130711130043.R920@besplex.bde.org> <20130711202908.L84170@besplex.bde.org> <20130712234749.5afa3c9b@thor.walstatt.dyndns.org> <9B0A6D14-640E-4ADD-8E58-0B7867C7C674@FreeBSD.org> <51E145CC.8080900@iki.fi> <861u6iv0ih.fsf@orwell.Elisa> To: Raphael Kubo da Costa X-Mailer: Apple Mail (2.1508) Cc: Scot Hetzel , Pasi Parviainen , "freebsd-standards@FreeBSD.org" , "freebsd-toolchain@FreeBSD.org" , Garrett Wollman , FreeBSD Current , Tijl Coosemans , "O. Hartmann" X-BeenThere: freebsd-standards@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Standards compliance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Jul 2013 08:19:52 -0000 On 28 Jul 2013, at 22:27, Raphael Kubo da Costa = wrote: > This seems to have been committed in r253321, and broke some code that > was working with r253320; namely, some code in x11/kde4-workspace > includes math.h and calls isnan() with a const double. Please provide a test case. Specifically, I need to know what language = dialect this is using, because I have tested including math.h and = calling isnan(double) with c89, gnu89, c99, c11, c++03 and c++11 on gcc = (for the modes that it supports) and clang. David